Coughlan, K.J A new soil conservation methodology and application to cropping systems in tropical steeplands a comparative synthesis of results obtained in ACIAR project PN 9201 - Canberra ACIAR 1997 - 147 p. ISBN: 1863202110 Subjects--Topical Terms: Soil conservationSoil erosionSoil science Dewey Class. No.: 631.45 / NEW